| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] 30 days [unc] | 5 |
|
| 2 | [prep] 30 days [unc] | 5 |
|
| 3 | 30 days [unc] [noun] | 9 |
|
| 4 | 30 days [unc] [noun sg] | 9 |
|
